@Bill255 TP-Link should review all the complains. Although they can have all the possible explanations, in the practice, the Internet speed is very slow. You can go to Amazon and see: fast speed, up...

@David-TP By analyzing your insights, I got this information from Apple: https://support.apple.com/guide/deployment/wi-fi-specifications-for-apple-devices-dep268652e6c/web I don't know if this table...

Sorry, Dell Lattitude 7410. But iPhone 15 Pro Max should handle tthis. With 500 Symmetric, I got 452Mbps. Upgrading to 1000, I only got 612Mbps. The proportion is not similar.

@David-TP Another test. Look at the speed of 2.4Gbps. The max

@David-TP Test using a Dell Lattitude 7401

@David-TP The equipment for the test is an iPhone 15 Pro Max. Technical specifications: https://support.apple.com/en-us/111828.